diff options
Diffstat (limited to 'board/samsung/odroid/odroid.c')
| -rw-r--r-- | board/samsung/odroid/odroid.c | 470 |
1 files changed, 470 insertions, 0 deletions
diff --git a/board/samsung/odroid/odroid.c b/board/samsung/odroid/odroid.c new file mode 100644 index 0000000..fd5d2d2 --- /dev/null +++ b/board/samsung/odroid/odroid.c @@ -0,0 +1,470 @@ +/* + * Copyright (C) 2014 Samsung Electronics + * Przemyslaw Marczak <p.marczak@samsung.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/pinmux.h> +#include <asm/arch/power.h> +#include <asm/arch/clock.h> +#include <asm/arch/gpio.h> +#include <asm/gpio.h> +#include <asm/arch/cpu.h> +#include <power/pmic.h> +#include <power/max77686_pmic.h> +#include <errno.h> +#include <usb.h> +#include <usb/s3c_udc.h> +#include <samsung/misc.h> +#include "setup.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_BOARD_TYPES +/* Odroid board types */ +enum { + ODROID_TYPE_U3, + ODROID_TYPE_X2, + ODROID_TYPES, +}; + +void set_board_type(void) +{ + /* Set GPA1 pin 1 to HI - enable XCL205 output */ + writel(XCL205_EN_GPIO_CON_CFG, XCL205_EN_GPIO_CON); + writel(XCL205_EN_GPIO_DAT_CFG, XCL205_EN_GPIO_CON + 0x4); + writel(XCL205_EN_GPIO_PUD_CFG, XCL205_EN_GPIO_CON + 0x8); + writel(XCL205_EN_GPIO_DRV_CFG, XCL205_EN_GPIO_CON + 0xc); + + /* Set GPC1 pin 2 to IN - check XCL205 output state */ + writel(XCL205_STATE_GPIO_CON_CFG, XCL205_STATE_GPIO_CON); + writel(XCL205_STATE_GPIO_PUD_CFG, XCL205_STATE_GPIO_CON + 0x8); + + /* XCL205 - needs some latch time */ + sdelay(200000); + + /* Check GPC1 pin2 - LED supplied by XCL205 - X2 only */ + if (readl(XCL205_STATE_GPIO_DAT) & (1 << XCL205_STATE_GPIO_PIN)) + gd->board_type = ODROID_TYPE_X2; + else + gd->board_type = ODROID_TYPE_U3; +} + +const char *get_board_type(void) +{ + const char *board_type[] = {"u3", "x2"}; + + return board_type[gd->board_type]; +} +#endif + +#ifdef CONFIG_SET_DFU_ALT_INFO +char *get_dfu_alt_system(void) +{ + return getenv("dfu_alt_system"); +} + +char *get_dfu_alt_boot(void) +{ + char *alt_boot; + + switch (get_boot_mode()) { + case BOOT_MODE_SD: + alt_boot = CONFIG_DFU_ALT_BOOT_SD; + break; + case BOOT_MODE_EMMC: + case BOOT_MODE_EMMC_SD: + alt_boot = CONFIG_DFU_ALT_BOOT_EMMC; + break; + default: + alt_boot = NULL; + break; + } + return alt_boot; +} +#endif + +static void board_clock_init(void) +{ + unsigned int set, clr, clr_src_cpu, clr_pll_con0, clr_src_dmc; + struct exynos4x12_clock *clk = (struct exynos4x12_clock *) + samsung_get_base_clock(); + + /* + * CMU_CPU clocks src to MPLL + * Bit values: 0 ; 1 + * MUX_APLL_SEL: FIN_PLL ; FOUT_APLL + * MUX_CORE_SEL: MOUT_APLL ; SCLK_MPLL + * MUX_HPM_SEL: MOUT_APLL ; SCLK_MPLL_USER_C + * MUX_MPLL_USER_SEL_C: FIN_PLL ; SCLK_MPLL + */ + clr_src_cpu = MUX_APLL_SEL(1) | MUX_CORE_SEL(1) | + MUX_HPM_SEL(1) | MUX_MPLL_USER_SEL_C(1); + set = MUX_APLL_SEL(0) | MUX_CORE_SEL(1) | MUX_HPM_SEL(1) | + MUX_MPLL_USER_SEL_C(1); + + clrsetbits_le32(&clk->src_cpu, clr_src_cpu, set); + + /* Wait for mux change */ + while (readl(&clk->mux_stat_cpu) & MUX_STAT_CPU_CHANGING) + continue; + + /* Set APLL to 1000MHz */ + clr_pll_con0 = SDIV(7) | PDIV(63) | MDIV(1023) | FSEL(1); + set = SDIV(0) | PDIV(3) | MDIV(125) | FSEL(1); + + clrsetbits_le32(&clk->apll_con0, clr_pll_con0, set); + + /* Wait for PLL to be locked */ + while (!(readl(&clk->apll_con0) & PLL_LOCKED_BIT)) + continue; + + /* Set CMU_CPU clocks src to APLL */ + set = MUX_APLL_SEL(1) | MUX_CORE_SEL(0) | MUX_HPM_SEL(0) | + MUX_MPLL_USER_SEL_C(1); + clrsetbits_le32(&clk->src_cpu, clr_src_cpu, set); + + /* Wait for mux change */ + while (readl(&clk->mux_stat_cpu) & MUX_STAT_CPU_CHANGING) + continue; + + set = CORE_RATIO(0) | COREM0_RATIO(2) | COREM1_RATIO(5) | + PERIPH_RATIO(0) | ATB_RATIO(4) | PCLK_DBG_RATIO(1) | + APLL_RATIO(0) | CORE2_RATIO(0); + /* + * Set dividers for MOUTcore = 1000 MHz + * coreout = MOUT / (ratio + 1) = 1000 MHz (0) + * corem0 = armclk / (ratio + 1) = 333 MHz (2) + * corem1 = armclk / (ratio + 1) = 166 MHz (5) + * periph = armclk / (ratio + 1) = 1000 MHz (0) + * atbout = MOUT / (ratio + 1) = 200 MHz (4) + * pclkdbgout = atbout / (ratio + 1) = 100 MHz (1) + * sclkapll = MOUTapll / (ratio + 1) = 1000 MHz (0) + * core2out = core_out / (ratio + 1) = 1000 MHz (0) (armclk) + */ + clr = CORE_RATIO(7) | COREM0_RATIO(7) | COREM1_RATIO(7) | + PERIPH_RATIO(7) | ATB_RATIO(7) | PCLK_DBG_RATIO(7) | + APLL_RATIO(7) | CORE2_RATIO(7); + + clrsetbits_le32(&clk->div_cpu0, clr, set); + + /* Wait for divider ready status */ + while (readl(&clk->div_stat_cpu0) & DIV_STAT_CPU0_CHANGING) + continue; + + /* + * For MOUThpm = 1000 MHz (MOUTapll) + * doutcopy = MOUThpm / (ratio + 1) = 200 (4) + * sclkhpm = doutcopy / (ratio + 1) = 200 (4) + * cores_out = armclk / (ratio + 1) = 1000 (0) + */ + clr = COPY_RATIO(7) | HPM_RATIO(7) | CORES_RATIO(7); + set = COPY_RATIO(4) | HPM_RATIO(4) | CORES_RATIO(0); + + clrsetbits_le32(&clk->div_cpu1, clr, set); + + /* Wait for divider ready status */ + while (readl(&clk->div_stat_cpu1) & DIV_STAT_CPU1_CHANGING) + continue; + + /* + * Set CMU_DMC clocks src to APLL + * Bit values: 0 ; 1 + * MUX_C2C_SEL: SCLKMPLL ; SCLKAPLL + * MUX_DMC_BUS_SEL: SCLKMPLL ; SCLKAPLL + * MUX_DPHY_SEL: SCLKMPLL ; SCLKAPLL + * MUX_MPLL_SEL: FINPLL ; MOUT_MPLL_FOUT + * MUX_PWI_SEL: 0110 (MPLL); 0111 (EPLL); 1000 (VPLL); 0(XXTI) + * MUX_G2D_ACP0_SEL: SCLKMPLL ; SCLKAPLL + * MUX_G2D_ACP1_SEL: SCLKEPLL ; SCLKVPLL + * MUX_G2D_ACP_SEL: OUT_ACP0 ; OUT_ACP1 + */ + clr_src_dmc = MUX_C2C_SEL(1) | MUX_DMC_BUS_SEL(1) | + MUX_DPHY_SEL(1) | MUX_MPLL_SEL(1) | + MUX_PWI_SEL(15) | MUX_G2D_ACP0_SEL(1) | + MUX_G2D_ACP1_SEL(1) | MUX_G2D_ACP_SEL(1); + set = MUX_C2C_SEL(1) | MUX_DMC_BUS_SEL(1) | MUX_DPHY_SEL(1) | + MUX_MPLL_SEL(0) | MUX_PWI_SEL(0) | MUX_G2D_ACP0_SEL(1) | + MUX_G2D_ACP1_SEL(1) | MUX_G2D_ACP_SEL(1); + + clrsetbits_le32(&clk->src_dmc, clr_src_dmc, set); + + /* Wait for mux change */ + while (readl(&clk->mux_stat_dmc) & MUX_STAT_DMC_CHANGING) + continue; + + /* Set MPLL to 880MHz */ + set = SDIV(0) | PDIV(3) | MDIV(110) | FSEL(0) | PLL_ENABLE(1); + + clrsetbits_le32(&clk->mpll_con0, clr_pll_con0, set); + + /* Wait for PLL to be locked */ + while (!(readl(&clk->mpll_con0) & PLL_LOCKED_BIT)) + continue; + + /* Switch back CMU_DMC mux */ + set = MUX_C2C_SEL(0) | MUX_DMC_BUS_SEL(0) | MUX_DPHY_SEL(0) | + MUX_MPLL_SEL(1) | MUX_PWI_SEL(8) | MUX_G2D_ACP0_SEL(0) | + MUX_G2D_ACP1_SEL(0) | MUX_G2D_ACP_SEL(0); + + clrsetbits_le32(&clk->src_dmc, clr_src_dmc, set); + + /* Wait for mux change */ + while (readl(&clk->mux_stat_dmc) & MUX_STAT_DMC_CHANGING) + continue; + + /* CLK_DIV_DMC0 */ + clr = ACP_RATIO(7) | ACP_PCLK_RATIO(7) | DPHY_RATIO(7) | + DMC_RATIO(7) | DMCD_RATIO(7) | DMCP_RATIO(7); + /* + * For: + * MOUTdmc = 880 MHz + * MOUTdphy = 880 MHz + * + * aclk_acp = MOUTdmc / (ratio + 1) = 220 (3) + * pclk_acp = aclk_acp / (ratio + 1) = 110 (1) + * sclk_dphy = MOUTdphy / (ratio + 1) = 440 (1) + * sclk_dmc = MOUTdmc / (ratio + 1) = 440 (1) + * aclk_dmcd = sclk_dmc / (ratio + 1) = 220 (1) + * aclk_dmcp = aclk_dmcd / (ratio + 1) = 110 (1) + */ + set = ACP_RATIO(3) | ACP_PCLK_RATIO(1) | DPHY_RATIO(1) | + DMC_RATIO(1) | DMCD_RATIO(1) | DMCP_RATIO(1); + + clrsetbits_le32(&clk->div_dmc0, clr, set); + + /* Wait for divider ready status */ + while (readl(&clk->div_stat_dmc0) & DIV_STAT_DMC0_CHANGING) + continue; + + /* CLK_DIV_DMC1 */ + clr = G2D_ACP_RATIO(15) | C2C_RATIO(7) | PWI_RATIO(15) | + C2C_ACLK_RATIO(7) | DVSEM_RATIO(127) | DPM_RATIO(127); + /* + * For: + * MOUTg2d = 880 MHz + * MOUTc2c = 880 Mhz + * MOUTpwi = 108 MHz + * + * sclk_g2d_acp = MOUTg2d / (ratio + 1) = 440 (1) + * sclk_c2c = MOUTc2c / (ratio + 1) = 440 (1) + * aclk_c2c = sclk_c2c / (ratio + 1) = 220 (1) + * sclk_pwi = MOUTpwi / (ratio + 1) = 18 (5) + */ + set = G2D_ACP_RATIO(1) | C2C_RATIO(1) | PWI_RATIO(5) | + C2C_ACLK_RATIO(1) | DVSEM_RATIO(1) | DPM_RATIO(1); + + clrsetbits_le32(&clk->div_dmc1, clr, set); + + /* Wait for divider ready status */ + while (readl(&clk->div_stat_dmc1) & DIV_STAT_DMC1_CHANGING) + continue; + + /* CLK_SRC_PERIL0 */ + clr = UART0_SEL(15) | UART1_SEL(15) | UART2_SEL(15) | + UART3_SEL(15) | UART4_SEL(15); + /* + * Set CLK_SRC_PERIL0 clocks src to MPLL + * src values: 0(XXTI); 1(XusbXTI); 2(SCLK_HDMI24M); 3(SCLK_USBPHY0); + * 5(SCLK_HDMIPHY); 6(SCLK_MPLL_USER_T); 7(SCLK_EPLL); + * 8(SCLK_VPLL) + * + * Set all to SCLK_MPLL_USER_T + */ + set = UART0_SEL(6) | UART1_SEL(6) | UART2_SEL(6) | UART3_SEL(6) | + UART4_SEL(6); + + clrsetbits_le32(&clk->src_peril0, clr, set); + + /* CLK_DIV_PERIL0 */ + clr = UART0_RATIO(15) | UART1_RATIO(15) | UART2_RATIO(15) | + UART3_RATIO(15) | UART4_RATIO(15); + /* + * For MOUTuart0-4: 880MHz + * + * SCLK_UARTx = MOUTuartX / (ratio + 1) = 110 (7) + */ + set = UART0_RATIO(7) | UART1_RATIO(7) | UART2_RATIO(7) | + UART3_RATIO(7) | UART4_RATIO(7); + + clrsetbits_le32(&clk->div_peril0, clr, set); + + while (readl(&clk->div_stat_peril0) & DIV_STAT_PERIL0_CHANGING) + continue; + + /* CLK_DIV_FSYS1 */ + clr = MMC0_RATIO(15) | MMC0_PRE_RATIO(255) | MMC1_RATIO(15) | + MMC1_PRE_RATIO(255); + /* + * For MOUTmmc0-3 = 880 MHz (MPLL) + * + * DOUTmmc1 = MOUTmmc1 / (ratio + 1) = 110 (7) + * sclk_mmc1 = DOUTmmc1 / (ratio + 1) = 60 (1) + * DOUTmmc0 = MOUTmmc0 / (ratio + 1) = 110 (7) + * sclk_mmc0 = DOUTmmc0 / (ratio + 1) = 60 (1) + */ + set = MMC0_RATIO(7) | MMC0_PRE_RATIO(1) | MMC1_RATIO(7) | + MMC1_PRE_RATIO(1); + + clrsetbits_le32(&clk->div_fsys1, clr, set); + + /* Wait for divider ready status */ + while (readl(&clk->div_stat_fsys1) & DIV_STAT_FSYS1_CHANGING) + continue; + + /* CLK_DIV_FSYS2 */ + clr = MMC2_RATIO(15) | MMC2_PRE_RATIO(255) | MMC3_RATIO(15) | + MMC3_PRE_RATIO(255); + /* + * For MOUTmmc0-3 = 880 MHz (MPLL) + * + * DOUTmmc3 = MOUTmmc3 / (ratio + 1) = 110 (7) + * sclk_mmc3 = DOUTmmc3 / (ratio + 1) = 60 (1) + * DOUTmmc2 = MOUTmmc2 / (ratio + 1) = 110 (7) + * sclk_mmc2 = DOUTmmc2 / (ratio + 1) = 60 (1) + */ + set = MMC2_RATIO(7) | MMC2_PRE_RATIO(1) | MMC3_RATIO(7) | + MMC3_PRE_RATIO(1); + + clrsetbits_le32(&clk->div_fsys2, clr, set); + + /* Wait for divider ready status */ + while (readl(&clk->div_stat_fsys2) & DIV_STAT_FSYS2_CHANGING) + continue; + + /* CLK_DIV_FSYS3 */ + clr = MMC4_RATIO(15) | MMC4_PRE_RATIO(255); + /* + * For MOUTmmc4 = 880 MHz (MPLL) + * + * DOUTmmc4 = MOUTmmc4 / (ratio + 1) = 110 (7) + * sclk_mmc4 = DOUTmmc4 / (ratio + 1) = 110 (0) + */ + set = MMC4_RATIO(7) | MMC4_PRE_RATIO(0); + + clrsetbits_le32(&clk->div_fsys3, clr, set); + + /* Wait for divider ready status */ + while (readl(&clk->div_stat_fsys3) & DIV_STAT_FSYS3_CHANGING) + continue; + + return; +} + +static void board_gpio_init(void) +{ + /* eMMC Reset Pin */ + gpio_cfg_pin(EXYNOS4X12_GPIO_K12, S5P_GPIO_FUNC(0x1)); + gpio_set_pull(EXYNOS4X12_GPIO_K12, S5P_GPIO_PULL_NONE); + gpio_set_drv(EXYNOS4X12_GPIO_K12, S5P_GPIO_DRV_4X); + + /* Enable FAN (Odroid U3) */ + gpio_set_pull(EXYNOS4X12_GPIO_D00, S5P_GPIO_PULL_UP); + gpio_set_drv(EXYNOS4X12_GPIO_D00, S5P_GPIO_DRV_4X); + gpio_direction_output(EXYNOS4X12_GPIO_D00, 1); + + /* OTG Vbus output (Odroid U3+) */ + gpio_set_pull(EXYNOS4X12_GPIO_L20, S5P_GPIO_PULL_NONE); + gpio_set_drv(EXYNOS4X12_GPIO_L20, S5P_GPIO_DRV_4X); + gpio_direction_output(EXYNOS4X12_GPIO_L20, 0); + + /* OTG INT (Odroid U3+) */ + gpio_set_pull(EXYNOS4X12_GPIO_X31, S5P_GPIO_PULL_UP); + gpio_set_drv(EXYNOS4X12_GPIO_X31, S5P_GPIO_DRV_4X); + gpio_direction_input(EXYNOS4X12_GPIO_X31); +} + +static int pmic_init_max77686(void) +{ + struct pmic *p = pmic_get("MAX77686_PMIC"); + + if (pmic_probe(p)) + return -ENODEV; + + /* Set LDO Voltage */ + max77686_set_ldo_voltage(p, 20, 1800000); /* LDO20 eMMC */ + max77686_set_ldo_voltage(p, 21, 2800000); /* LDO21 SD */ + max77686_set_ldo_voltage(p, 22, 2800000); /* LDO22 eMMC */ + + return 0; +} + +#ifdef CONFIG_SYS_I2C_INIT_BOARD +static void board_init_i2c(void) +{ + /* I2C_0 */ + if (exynos_pinmux_config(PERIPH_ID_I2C0, PINMUX_FLAG_NONE)) + debug("I2C%d not configured\n", (I2C_0)); +} +#endif + +int exynos_early_init_f(void) +{ + board_clock_init(); + board_gpio_init(); + + return 0; +} + +int exynos_init(void) +{ + /* The last MB of memory is reserved for secure firmware */ + gd->ram_size -= SZ_1M; + gd->bd->bi_dram[CONFIG_NR_DRAM_BANKS - 1].size -= SZ_1M; + + return 0; +} + +int exynos_power_init(void) +{ +#ifdef CONFIG_SYS_I2C_INIT_BOARD + board_init_i2c(); +#endif + pmic_init(I2C_0); + pmic_init_max77686(); + + return 0; +} + +#ifdef CONFIG_USB_GADGET +static int s5pc210_phy_control(int on) +{ + struct pmic *p_pmic; + + p_pmic = pmic_get("MAX77686_PMIC"); + if (!p_pmic) + return -ENODEV; + + if (pmic_probe(p_pmic)) + return -1; + + if (on) + return max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON); + else + return max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM); +} + +struct s3c_plat_otg_data s5pc210_otg_data = { + .phy_control = s5pc210_phy_control, + .regs_phy = EXYNOS4X12_USBPHY_BASE, + .regs_otg = EXYNOS4X12_USBOTG_BASE, + .usb_phy_ctrl = EXYNOS4X12_USBPHY_CONTROL, + .usb_flags = PHY0_SLEEP, +}; + +int board_usb_init(int index, enum usb_init_type init) +{ + debug("USB_udc_probe\n"); + return s3c_udc_probe(&s5pc210_otg_data); +} +#endif + +void reset_misc(void) +{ + /* Reset eMMC*/ + gpio_set_value(EXYNOS4X12_GPIO_K12, 0); + mdelay(10); + gpio_set_value(EXYNOS4X12_GPIO_K12, 1); +} |